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Finding the Fourth Proportional to 8,588.59, 12,884.16 and 3,908.49

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Solution

The fourth proportional to 8,588.59, 12,884.16 and 3,908.49 is: 5,863.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,588.59 : 12,884.16 = 3,908.49 : x
  2. Step 2: Convert to fraction form
    8,588.59/12,884.16 = 3,908.49/x
  3. Step 3: Cross multiply
    8,588.59x = 12,884.16 × 3,908.49
  4. Step 4: Simplify right side
    8,588.59x = 50,357,671.98
  5. Step 5: Solve for x
    x = 50,357,671.98/8,588.59
  6. Step 6: Final answer
    x = 5,863.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.